Real-time wavelength corrected heterodyne laser interferometry

Frequency stabilized three mode HeNe laser using nonlinear optical phenomena

High resolution heterodyne interferometer without detectable periodic nonlinearity

Design of a folded, multi-pass Fabry-Perot cavity for displacement metrology

Balanced interferometric system for stability measurements

Simple heterodyne laser interferometer with subnanometer periodic errors

Distance measurements by combined method based on a femtosecond pulse laser

Refractive index measurement by spectrally resolved interferometry using a femtosecond pulse laser

Absolute distance measurement by dispersive interferometry using a femtosecond pulse laser

A Structured Illumination Microscope with the Combination of Optical Sectioning and Lateral Resolution Enhancement for Precise 3D Industrial Metrology